CsjiCgGz

1#include <iostream>
2#include <stdio.h>
3#include <string.h>
4#include <stdlib.h>
5#include <errno.h>
6#include <unistd.h>
7#include <sys/time.h>
8#include <sys/types.h>
9#include <arpa/inet.h>
10#include <sys/socket.h>
11#include <netinet/in.h>
12//#include "server_client_library.h"
13
14using namespace std;
15
16int smallSet(char *MachineName, int port, int SecretKey, char *variableName, char *value, int dataLength) {
17        return 0;
18}
19
20int smallGet(char *MachineName, int port, int SecretKey, char *variableName, char *value, int *resultLength) {
21        return 0;
22}
23
24int smallDigest(char *MachineName, int port, int SecretKey, char *data, int dataLength, char *result, int *resultLength) {
25        return 0;
26}
27
28int main(int argc, const char* argv[]) {
29        if(argc != 3) {
30                cout << "Invalid Input. Expected 3 arguments" << endl;
31        }
32        else {
33                int server_fd, new_socket, valread;
34                struct sockaddr_in address;
35                int opt = 1;
36                int addrlen = sizeof(address);
37                char buffer[1024] = {0};
38                char hello[] = "Hello from server";
39
40                if((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
41                        perror("socket failed");
42                        exit(EXIT_FAILURE);
43                }
44
45                if(setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))) {
46                        perror("setsockopt");
47                        exit(EXIT_FAILURE);
48                }
49
50                address.sin_family = AF_INET;
51                address.sin_addr.s_addr = INADDR_ANY;
52                int PORT = atoi(argv[1]);
53                cout << PORT << endl;
54                address.sin_port = htons(PORT);
55
56                if((bind(server_fd, (struct sockaddr *)&address, sizeof(address))) < 0) {
57                        perror("bind failed");
58                        exit(EXIT_FAILURE);
59                }
60
61                cout << "bind" << endl;
62                if(listen(server_fd, 3) < 0) {
63                        perror("listen");
64                        exit(EXIT_FAILURE);
65                }
66
67                cout << "listen" << endl;
68				if((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
69                        perror("accept");
70                        exit(EXIT_FAILURE);
71                }
72
73                cout << "accepted" << endl;
74                valread = read(new_socket, buffer, 1024);
75                cout << buffer << endl;
76                send(new_socket, hello, strlen(hello), 0);
77                cout << "Hello message sent" << endl;
78                return 0;
79        }
80}